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Pearls and pit-falls

Authors: Emma Tubæk Nielsen, MD., Caroline Lilja, MD., and Magnus Avnstorp, MD.

Pearls

  • The donor site is easily hidden medially of the thigh, making subsequent scarring less visible.
  • If the innervation is preserved, the flap can be used for dynamic facial reconstruction aiming to preserve facial expressions.5
  • Morbidity at the donor site is relatively low.7
  • When denervated, the flap will atrophy over time, which improves the aesthetics and contour of the flap and diminished the need for subsequent procedures.6
  • The atrophy and increased contouring of the flap is especially desirable in pediatric patients, where growth plays a major role in the outcome over time.5
  • Reduction in length of the scar at the donor site can be achieved using endoscopic subcutaneous dissection when harvesting the gracilis muscle.1
  • The skin flap can be designed both as a longitudinal or transverse elliptical flap.1

Pitfalls

  • When used in facial reconstructions, normal muscle tension should be maintained to ensure maximum muscle survival.1
  • There is a risk of slow healing and seroma of donor site if increased tension is applied when closing, especially in elderly patients.4

References

  1. Kim, Jason H. Gracilis tissue transfer. Medscape, Clinical procedures. 24.07.2019. Link:https://emedicine.medscape.com/article/880792-overview#a2
  2. Fattah A. Y. et al. A three-dimensional study of the musculotendinous and neurovascular architecture of the gracilis muscle: application to functional muscle transfer. Journal of Plastic, Reconstructiv & Aesthetic Surgery, 2013.  
  3. Universitat Autònoma de Barcelona. Dissection in Fresh Cadaver. European Master’s degree in surgical oncology, reconstructive and aesthetic breast surgery (MRBS).
  4. Buntic, Rudy. The Gracilis Flap. Microsurgeon, Flaps. Link: https://www.microsurgeon.org/gracilismuscle
  5. Dr Zezo. Gracilis flap. Plastic Surgery Key. 03.03.2017. Link: https://plasticsurgerykey.com/gracilis-flap/
  6. Franco M. J. et al. Lower Extremity Reconstruction with Free Gracilis Flaps. J Reconstr Microsurg 2017.
  7. Redette R. J. et al. Limb salvage of lower-extremity wounds using free gracilis muscle reconstruction. Plastic and Reconstructive Surgery 2000.

Handbook

Surgical Handbook